The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 10, 2008
Filed:
Nov. 06, 2002
Koichi Yahagi, Kodaira, JP;
Ryoji Furuya, Yokohama, JP;
Fumiaki Matsuzaki, Kodaira, JP;
Robert Astle Henshaw, Royston, GB;
Koichi Yahagi, Kodaira, JP;
Ryoji Furuya, Yokohama, JP;
Fumiaki Matsuzaki, Kodaira, JP;
Robert Astle Henshaw, Royston, GB;
Renesas Technology Corp., Tokyo, JP;
TTPCOM Limited, Royston, GB;
Hitachi Advanced Digital, Inc., Kanagawa, JP;
Hitachi ULSI Systems Co., Ltd., Tokyo, JP;
Abstract
In one embodiment, a PLL circuit is provided with a plurality of pull-in operation modes for pulling a voltage across a filter capacitor (C, C) in a lock-up voltage, and with a register (CRG) for designating one of the plurality of pull-in operation modes. The pull-in operation is performed in accordance with a setting value in the register.